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4. Installing the refrigerant piping
B
Fig. 4-3
Fig. 4-4
4.3. Refrigerant piping (Fig. 4-3)
A

Indoor unit

1. Remove the flare nut and cap of the indoor unit.
2. Make a flare for the liquid pipe and gas pipe and apply refrigerating machine oil
3. Quickly connect the on site cooling pipes to the unit.
4. Wrap the pipe cover that is attached to the gas pipe and make sure that the
5. Wrap the pipe cover of the unit's liquid pipe and make sure that it covers the
6. The portion where the insulation material is joined is sealed by taping.
4.3.1. Storing in the piping space of the unit (Fig. 4-4)
1. Wrap the supplied felt tape in the range of the refrigerant piping which will be
2. Overlap the felt tape at one-half of the tape width.
3. Fasten the end portion of the wrapping with vinyl tape, etc.
A
B
C
(available from your local supplier) to the flare sheet surface.
connection join is not visible.
insulation material of the on site liquid pipe.
A Site-side refrigerant piping
B Unit side refrigerant piping
housed within the piping space of the unit to prevent dripping.
A Gas pipe
B Liquid pipe
C Felt tape 3
en
6

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